Summary Page for THE X-RAY EMISSION ASSOCIATED WITH THE BLACK WIDOW PULSAR B1957+20
THE X-RAY EMISSION ASSOCIATED WITH THE BLACK WIDOW PULSAR B1957+20

Target: PSR B1957+20

Chandra
X-ray
Center

PI: Dr BENJAMIN STAPPERS 
Seq Num: 400124
Obs ID: 1911
Instrument: ACIS




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Level 1 Parameters
Level 2 Parameters

Level 1 Parameters
Parameter Value Description
ASCDSVER 7.6.9 ASCDS version number
DATE 2006-12-08T11:58:15 Date and time of file creation
DATE-OBS 2001-06-21T20:00:51 Observation start date
DATE-END 2001-06-22T08:28:10 Observation end date
RA_PNT 299.8958976372 Pointing RA
DEC_PNT 20.811049089979 Pointing Dec
ROLL_PNT 145.660966753 Pointing Roll
RA_TARG 299.903333 Observer's specified target RA
DEC_TARG 20.804194 Observer's specified target Dec
DATAMODE VFAINT Data mode
READMODE TIMED Read mode
FP_TEMP 153.2848053 Focal Plane Temperature [K]
FSW_VERS 30 ACIS flight software version number



Level 2 Parameters
Parameter Value Description
ASCDSVER 7.6.9 ASCDS version number
DATE 2006-12-08T12:18:58 Date and time of file creation
DATE-OBS 2001-06-21T20:00:51 Observation start date
DATE-END 2001-06-22T08:28:10 Observation end date
INSTRUME ACIS Instrument
DETNAM ACIS-7 Detector
GRATING NONE Grating
OBJECT PSR B1957+20 Source name
TITLE THE X-RAY EMISSION ASSOCIATED WITH THE BLACK WIDOW PULSAR B1957+20  
OBSERVER Dr BENJAMIN STAPPERS Principal investigator
OBS_ID 1911 Observation id
SEQ_NUM 400124 Sequence number
RA_NOM 299.8958976372 Nominal RA
DEC_NOM 20.811049089979 Nominal Dec
ROLL_NOM 145.660966753 Nominal Roll